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Finding the Fourth Proportional to 216,640.74, 325,014.30 and 74,488.17

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Solution

The fourth proportional to 216,640.74, 325,014.30 and 74,488.17 is: 111,750.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,640.74 : 325,014.30 = 74,488.17 : x
  2. Step 2: Convert to fraction form
    216,640.74/325,014.30 = 74,488.17/x
  3. Step 3: Cross multiply
    216,640.74x = 325,014.30 × 74,488.17
  4. Step 4: Simplify right side
    216,640.74x = 24,209,720,430.83
  5. Step 5: Solve for x
    x = 24,209,720,430.83/216,640.74
  6. Step 6: Final answer
    x = 111,750.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.